Prompt Engineering Infrastructure

Stop guessing.
Start engineering.

Versioned prompts. Automated evaluation. Full governance. Turn informal AI experimentation into a structured engineering workflow.

Start building free → See how it works
Kloddy evaluation interface
v∞
Immutable versions
4
Scoring pillars
6
Judge models
0
Blind spots
Platform capabilities

Built for teams
who ship AI

Every primitive you need to treat AI development as a real engineering discipline — not a collection of sticky notes.

01
🏢
Multi-Level Hierarchy
Organizations → Features → Prompts. Scale AI development across departments without losing control or context.
OrganizationsFeaturesPrompts
02
🔖
Immutable Versioning
Publish with mandatory changelogs. Compare diffs side-by-side. Roll back instantly. Prompts are auditable assets.
v1→v2→v3DiffRollback
03
🧪
LLM-as-a-Judge Eval
Pick GPT-4o, Claude, or Gemini as your judge. Define acceptance criteria and critical failure conditions. Score on 4 pillars.
Auto-scoringCustom criteria
04
⚖️
Model Benchmarking
Run one prompt against two models simultaneously. Or compare versions on the same model. Automated verdicts from your judge.
A vs BAuto verdict
05
🛡️
Governance & Audit
Every action is logged. Every audit event links to its exact diff. Full traceability, zero ambiguity.
Audit logDiff links
06
📊
Cost & Observability
Inspect raw JSON payloads, token counts, latency, and exact USD cost per run. Debug unexpected outputs systematically.
$/runRAW debugLatency
Version control

See exactly
what changed

Side-by-side diff view for every publish. Know precisely what changed and roll back instantly if quality drops.

Immutable versionsSide-by-side diffInstant restore
Compare versions
Version history

Every version,
forever.

Browse the full history of any prompt. View, compare, or restore any published version in one click.

↩ Current draft restored from v2
Restore version
History
Publishing

Publish with
intent.

Every publish is immutable and requires a changelog. No more "updated prompt" with no context. Your team always knows what changed and why.

Mandatory changelogPublish v2, v3…
Manage version
Evaluation framework

Automated
quality gates.

Run any prompt version through an LLM judge. Get scored on four pillars with step-by-step reasoning. Pass or fail — no subjectivity.

Accuracy
8
Completeness
9
Formatting
9
Safety
10
✓ PASS — Overall 8/10 · Passing
Past evaluation
Overall Score
8/10 Passing
Custom criteria

Define what
"good" means.

Set expected output, acceptance criteria, and critical failure conditions. The judge evaluates against YOUR standard — not a generic rubric.

Critical failuresAcceptance criteriaSave defaults
Save criteria
Benchmarking

Compare models.
Find the winner.

Run Score A vs B across models or versions simultaneously. The judge renders a final automated verdict. Data wins, opinions lose.

Automated Verdict
— No Clear Winner / Tie
Both outputs meet all criteria. No critical failures detected.
Compare evaluation
Debugging & Observability

Full visibility into
every token spent.

Inspect raw JSON payloads, execution metadata, and provider-specific details. Know exactly what your prompts cost — down to the cent, per run.

RAW Debug Information
Per-run cost breakdown
Cost breakdown
RAW JSON Payload

Inspect the full model response, provider metadata, modelId, and itemId for every generation slot. Debug unexpected outputs systematically — not by vibes.

# 539 tokens
$ $0.003155
6383ms
Choose Your Judge

Pick from 6 frontier models to evaluate your prompt. GPT-4o, Claude Sonnet 4, Gemini 1.5 Pro — use the model you trust to judge the model you ship.

Select judge model
GPT-4o
GPT-4o Mini
Claude Sonnet 4
Claude Haiku 3.5
Gemini 2.0 Flash
Gemini 1.5 Pro
Choose judge
Governance

Complete
accountability,
zero guesswork.

Every action by every team member — logged, timestamped, and linked to its exact diff. Your organization's AI actions are fully traceable.

Audit Log8 events recorded
Published version Sales Email
11:53 AMjohn@kloddy.comView diff →
Saved draft Sales Email
11:53 AMjohn@kloddy.comView diff →
Member joined john@kloddy.com
11:51 AMjohn@kloddy.comView diff →
Invited member support@kloddy.com
11:50 AMhello@kloddy.comView diff →
Audit log Manage members
Invite email
Team management

Invite. Onboard.
Control access.

Role-based access with email invitations. Members get a beautiful onboarding email and can accept directly. Owner/member role management built in.

Workspace hierarchy

One platform.
Every team.

Create organizations for each client or department. Group prompts into features. Scale without chaos or context switching.

Multiple orgsFeature groupsPrompt templates
Multiple features
Create prompts
Ready to ship production-grade AI?

Your prompts
deserve structure.

Stop managing prompts in Notion. Start treating them like the production assets they are.

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